US20230354735A1 - Agricultural implements having sensors to detect plugging of row units, and related control systems and methods - Google Patents
Agricultural implements having sensors to detect plugging of row units, and related control systems and methods Download PDFInfo
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- US20230354735A1 US20230354735A1 US18/245,754 US202118245754A US2023354735A1 US 20230354735 A1 US20230354735 A1 US 20230354735A1 US 202118245754 A US202118245754 A US 202118245754A US 2023354735 A1 US2023354735 A1 US 2023354735A1
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Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B71/00—Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes
- A01B71/08—Means for protecting against dust, or the like, or for cleaning agricultural implements
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/005—Precision agriculture
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/002—Devices for adjusting or regulating the position of tools or wheels
- A01B63/008—Vertical adjustment of tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/006—Minimum till seeding
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
- A01C7/201—Mounting of the seeding tools
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
- A01C7/201—Mounting of the seeding tools
- A01C7/203—Mounting of the seeding tools comprising depth regulation means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30181—Earth observation
- G06T2207/30188—Vegetation; Agriculture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
Definitions
- Embodiments of the present disclosure relate generally to machines and methods for working agricultural fields.
- embodiments relate to planters and other implements having row units and to methods of controlling such implements.
- Crop yields are affected by a variety of factors, such as seed placement, soil quality, weather, irrigation, and nutrient applications. Seeds are typically planted in trenches formed by discs or other mechanisms of a planter row unit. Depth of seed placement is important because seeds planted at different depths emerge at different times, resulting in uneven crop growth. Trench depth can be affected by soil type, moisture level, row unit speed, and operation of the opening discs.
- row units e.g., planters, tillage equipment, etc., arranged along a toolbar to form rows in the field
- residue crop material from prior seasons.
- the operator may stop the operation to clear the blockage.
- the blockage may be cleared by manually removing residue, or by raising and lowering the frame, toolbars, or affected row units to allow residue to fall to the ground.
- an agricultural implement includes a frame having an elongate toolbar carrying a plurality of row units.
- a sensor is configured to detect residue accumulation between adjacent row units.
- An actuator is configured to raise or lower row units (either individually, as a group, or by raising or lowering the toolbar or frame) based at least in part on the residue accumulation detected by the sensor.
- control system for an implement including a frame having an elongate toolbar carrying a plurality of row units.
- the control system includes a sensor configured to detect residue accumulation between adjacent rows unit of the plurality, an actuator configured to raise or lower a row unit, and a controller configured to receive a signal from the sensor indicating residue accumulation and cause the actuator to raise or lower the row unit.
- Certain embodiments include a computer-implemented method for operating an implement that includes a frame having an elongate toolbar carrying a plurality of row units.
- the method includes receiving an indication of residue accumulation between adjacent row units from a sensor, and causing an actuator to raise or lower a row unit responsive to the residue accumulation.
- FIG. 1 is a simplified top view of a tractor pulling an implement in accordance with one embodiment
- FIG. 2 is a simplified side view of a row unit that may be carried by the implement shown in FIG. 1 ;
- FIG. 3 is a simplified side view of another row unit that may be carried by the implement shown in FIG. 1 ;
- FIG. 4 is a simplified flow chart illustrating a method of operating an implement
- FIG. 5 illustrates an example computer-readable storage medium comprising processor-executable instructions configured to embody one or more of the methods of operating an implement, such as the method illustrated in FIG. 4 ;
- FIG. 6 is a simplified top view of a portion of the implement in shown in FIG. 1 .
- the terms “comprising,” “including,” “containing,” “characterized by,” and grammatical equivalents thereof are inclusive or open-ended terms that do not exclude additional, unrecited elements or method steps, but also include the more restrictive terms “consisting of” and “consisting essentially of” and grammatical equivalents thereof.
- the term “may” with respect to a material, structure, feature, or method act indicates that such is contemplated for use in implementation of an embodiment of the disclosure, and such term is used in preference to the more restrictive term “is” so as to avoid any implication that other, compatible materials, structures, features, and methods usable in combination therewith should or must be excluded.
- the term “configured” refers to a size, shape, material composition, and arrangement of one or more of at least one structure and at least one apparatus facilitating operation of one or more of the structure and the apparatus in a predetermined way.
- spatially relative terms such as “beneath,” “below,” “lower,” “bottom,” “above,” “upper,” “top,” “front,” “rear,” “left,” “right,” and the like, may be used for ease of description to describe one element's or feature's relationship to another element(s) or feature(s) as illustrated in the figures. Unless otherwise specified, the spatially relative terms are intended to encompass different orientations of the materials in addition to the orientation depicted in the figures.
- the term “substantially” in reference to a given parameter, property, or condition means and includes to a degree that one of ordinary skill in the art would understand that the given parameter, property, or condition is met with a degree of variance, such as within acceptable manufacturing tolerances.
- the parameter, property, or condition may be at least 90.0% met, at least 95.0% met, at least 99.0% met, or even at least 99.9% met.
- the term “about” used in reference to a given parameter is inclusive of the stated value and has the meaning dictated by the context (e.g., it includes the degree of error associated with measurement of the given parameter).
- FIG. 1 illustrates a tractor 100 drawing an agricultural implement 102 in a forward direction F.
- the implement 102 has a frame 103 including a toolbar 104 supporting row units 106 .
- a computer 108 which may include a central processing unit (“CPU”) 110 , memory 112 , implement controller 114 , and graphical user interface (“GUI”) (e.g., a touch-screen interface), is typically located in the cab of the tractor 100 .
- a global positioning system (“GPS”) receiver 116 may be mounted to the tractor 100 and connected to communicate with the computer 108 .
- the implement controller 114 may be configured to communicate with the row units 106 and/or the GPS receiver 116 , such as by wired or wireless communication.
- the computer 108 or portions thereof may be part of the implement 102 .
- the implement 102 may be supported in the field by at least one wheel 118 coupled to the frame 103 or the toolbar 104 .
- the frame 103 or toolbar 104 is attached to at least two wheels 118 , such as to four wheels as shown in FIG. 1 .
- the frame 103 and toolbar 104 may have sections that fold for transport on a public roadway (e.g., to make the implement 102 narrower than the working position depicted in FIG. 1 ).
- the implement frame 103 may support a central hopper 120 or tank to transport seed, fertilizer, or other material to be applied to the field.
- the row units 106 may include any type of ground-engaging device for planting, seeding, fertilizing, tilling, or otherwise working crops or soil in rows.
- FIG. 2 is a simplified side view illustrating a row unit 106 having a tillage section 201 a and a planter section 201 b.
- the tillage section 201 a and/or the planter section 201 b may be pivotally connected to the toolbar 104 by parallel linkages 204 or other mechanisms to enable the tillage section 201 a and/or the planter section 201 b to move vertically independent of the frame 103 , toolbar 104 , and other row units 106 .
- the toolbar 104 may be coupled to the frame 103 at a pivot point, and an actuator 234 (e.g., a hydraulic cylinder) may control the position of the toolbar 104 relative to the frame 103 .
- the toolbar 104 position may be controlled by a parallel linkage or other mechanism.
- the row unit 106 may include one or more hoppers 206 , a seed meter 208 , a seed trench opening assembly 212 (e.g., opening wheels), a trench closing assembly 214 (e.g., closing wheels), gauge wheel(s) 218 , a cutting disc or coulter 220 , a tillage shank 222 , and any other components as known in the art.
- the row unit 106 shown in FIG. 2 may optionally be a part of a central fill planter, in which case the hoppers 206 may be one or more mini-hoppers fed by the central hopper 120 ( FIG. 1 ) carried by the implement 102 .
- the tillage section 201 a may include the cutting blade 220 and the tillage shank 222 .
- the planter section 201 b may include the hopper(s) 206 , the seed meter 208 , the seed trench opening assembly 212 , the gauge wheel(s) 218 , and the trench closing assembly 214 .
- the tillage section 201 a may be in the form of one or more generally transverse bars (i.e., oriented generally perpendicular to the forward direction F) carrying the opening assembly 212 , the tillage shank 222 , and/or other tools.
- FIG. 3 depicts another row unit 106 ′ in which the tillage section 201 a includes another cutting disc or coulter 224 rather than a tillage shank 222 .
- the row units 106 , 106 ′ may include any selected combination of ground-engaging tools.
- the row unit 106 may carry at least one sensor 230 configured to detect a plugging condition of the row unit 106 .
- the sensor 230 may be an optical sensor (e.g., a camera), an ultrasonic transducer, an RF (radio frequency) sensor, lidar, radar, etc. Such sensors are described in, for example, U.S. Patent Application Publication 2019/0075710, “Seed Trench Depth Detection Systems,” published Mar. 14, 2019.
- the sensor 230 may be coupled with a transmitter, such as a laser transmitter.
- the sensor 230 may be configured to detect reflection of an electromagnetic signal 232 , which may be used to calculate a distance the signal 232 has traveled.
- This information may be used to infer the presence of residue in the row unit 106 or between row units 106 , and the location or amount of residue. For example, if the distance the signal 232 travels before being reflected is the same as the distance from the sensor 230 to the tillage shank 222 , the computer 108 ( FIG. 1 ) may determine that the tillage shank 222 ( FIG. 2 ) or coulter 224 ( FIG. 3 ) is not blocked by residue.
- the computer 108 may determine that the tillage shank 222 or coulter 224 is blocked by residue. As another example, a change in the distance the signal 232 travels greater than a preselected threshold may be used to infer a change in the amount of residue blocking the row unit.
- the sensor 230 may be a camera, and the computer 108 may detect residue by image-processing techniques, such as by identifying shapes of residue material or by detecting movement in the field of view.
- FIG. 6 illustrates a field of view 238 of the sensors 230 .
- the field of view 238 may be wide enough so that each sensor 230 can detect residue accumulation between adjacent row units 106 on or over the surface of the ground.
- the field of view 238 may encompass neighboring row units 106 , and thus, not every row unit 106 need have its own sensor 230 .
- the field of view 238 is not limited to (and need not even include) the furrow formed by the row unit 106 , but by detecting residue accumulation in front of the tillage shank 222 , and/or other tools, the row unit 106 can form more consistent furrows, and thus, crop yield may be increased.
- the computer 108 and/or the implement controller 114 may take appropriate action to correct the blockage. For example, the computer 108 may alert an operator that there is blockage and/or the controller 114 may initiate a control sequence to clear the blockage. In some embodiments, the controller 114 may control an actuator 234 to temporarily raise the frame 103 , toolbar 104 , row unit 106 , or a portion thereof (e.g., the tillage section 201 a , the planter section 201 b , or an individual component, such as the tillage shank 222 ) to cause the residue to separate from the row unit 106 .
- the controller 114 may control an actuator 234 to temporarily raise the frame 103 , toolbar 104 , row unit 106 , or a portion thereof (e.g., the tillage section 201 a , the planter section 201 b , or an individual component, such as the tillage shank 222 ) to cause the residue to separate from the row unit 106 .
- the computer 108 may control the tractor 100 to stop moving in a forward direction F or to move backward (in a direction opposite the direction F) while the blockage is cleared.
- the actuator 234 may lower frame 103 , toolbar 104 , the row unit 106 , or portion thereof, and the tractor 100 may start moving forward again.
- the actuator 234 may be pneumatic, hydraulic, electric, or any other type.
- the actuator 234 may be controlled by a control component 236 (illustrated simply as a hatched box connected to the actuator 234 in FIG. 2 ), such as a control valve, an air valve, an electronic control component, a magnetic control component, etc.
- the controller 114 may send a signal to the control component 236 to cause changes in the position of the actuator 234 .
- the senor 230 may be configured to detect plugging of more than one row unit 106 .
- the sensor 230 may have a field of view wide enough to detect plugging of the row unit 106 carrying the camera, as well as row units 106 on either side.
- the sensor 230 may be carried on the row unit 106 itself.
- the sensor 230 may be carried by the toolbar 104 or another portion of the implement 102 ( FIG. 1 ), and may be directed at multiple row units 106 .
- an additional sensor 240 may be configured to detect plugging of another part of the row unit 106 .
- the additional sensor 240 may be a part of the planter section 201 b , and may be directed to detect residue blocking the gauge wheel(s) 218 .
- the additional sensor 240 may be a camera, transceiver, etc., as described above with respect to the sensor 230 .
- the controller 114 may control another actuator 244 to raise and lower the planter section 201 b of the row unit 106 , as described relative to the actuator 234 .
- FIG. 4 is a simplified flow chart illustrating a computer-implemented method 300 of using the implement 102 to work an agricultural field.
- an indication is received of a plugging condition of at least one row unit from a sensor. For example, a photograph or an electromagnetic signal may be received from the sensor.
- an actuator raises or lowers the at least one row unit to clear the plugging condition.
- a control signal may be sent to a control component associated with the actuator.
- forward motion of the implement may be terminated while the plugging condition is cleared.
- an operator may be alerted of the plugging condition and/or the clearing process.
- the methods and devices shown and described may be used for any type of planter or tillage implement, including seeders, drills, vertical tillage, etc., including implements having more than one type of tool.
- the methods may be particularly beneficial for relatively large implements, which are difficult for an operator to monitor visually from the cab of the tractor.
- plugging conditions may be relatively more common in no-till fields than other fields, so the methods and devices may be particularly beneficial in such fields.
- Still other embodiments involve a computer-readable storage medium (e.g., a non-transitory computer-readable storage medium) having processor-executable instructions configured to implement one or more of the techniques presented herein.
- a computer-readable storage medium e.g., a non-transitory computer-readable storage medium
- FIG. 5 An example computer-readable medium that may be devised is illustrated in FIG. 5 , wherein an implementation 400 includes a computer-readable storage medium 402 (e.g., a flash drive, CD-R, DVD-R, application-specific integrated circuit (ASIC), field-programmable gate array (FPGA), a platter of a hard disk drive, etc.), on which is computer-readable data 404 .
- This computer-readable data 404 in turn includes a set of processor-executable instructions 406 configured to operate according to one or more of the principles set forth herein.
- the processor-executable instructions 406 may be configured to cause a computer associated with the tractor 100 ( FIG. 1 ) to perform operations 408 when executed via a processing unit, such as at least some of the example method 300 depicted in FIG. 4 .
- the processor-executable instructions 406 may be configured to control a system, such as at least some of the example tractor 100 and implement 102 depicted in FIGS. 1 and 2 .
- Many such computer-readable media may be devised by those of ordinary skill in the art that are configured to operate in accordance with one or more of the techniques presented herein.
- Embodiment 1 An agricultural implement, comprising a frame having an elongate toolbar carrying a plurality of row units, a sensor configured to detect residue accumulation between adjacent row units of the plurality, and an actuator configured to raise or lower at least one row unit based at least in part on the residue accumulation detected by the sensor.
- Embodiment 2 The implement of Embodiment 1, wherein the sensor comprises a camera.
- Embodiment 3 The implement of Embodiment 1, wherein the sensor is configured to detect a distance to residue.
- Embodiment 4 The implement of Embodiment 3, wherein the sensor is configured to detect a reflected electromagnetic signal.
- Embodiment 5 The implement of Embodiment 4, wherein the sensor is configured to detect a signal selected from the group consisting of laser, radar, and ultrasonic.
- Embodiment 6 The implement of any one of Embodiment 1 through Embodiment 5, further comprising a controller configured to receive information from the sensor and control the actuator based on the information.
- Embodiment 7 The implement of Embodiment 6, further comprising a control component configured to drive the actuator, wherein the controller is configured to send a control signal to the control component.
- Embodiment 8 The implement of Embodiment 7, wherein the control component comprises a component selected from the group consisting of a control valve, an air valve, an electronic control component, a magnetic control component, and an electromagnetic control component.
- the control component comprises a component selected from the group consisting of a control valve, an air valve, an electronic control component, a magnetic control component, and an electromagnetic control component.
- Embodiment 9 The implement of any one of Embodiment 1 through Embodiment 8, further comprising another sensor configured to detect additional residue accumulation between adjacent row units of the plurality.
- Embodiment 10 A control system for an implement comprising a frame having an elongate toolbar carrying a plurality of row units.
- the control system comprises a sensor configured to detect residue accumulation between adjacent row units of the plurality, an actuator configured to raise or lower at least one row unit, and a controller configured to receive a signal from the sensor indicating residue accumulation and cause the actuator to raise or lower the at least one row unit based at least in part on the residue accumulation between the adjacent row units.
- Embodiment 11 The control system of Embodiment 10, wherein the sensor comprises a camera.
- Embodiment 12 The control system of Embodiment 10 or Embodiment 11, further comprising a control component configured to drive the actuator responsive to a control signal from the controller.
- Embodiment 13 A computer-implemented method for operating an implement that comprises a frame having an elongate toolbar carrying a plurality of row units and a sensor configured to detect residue accumulation between adjacent row units. The method comprises receiving an indication of residue accumulation between the adjacent row units from the sensor, and causing an actuator to raise or lower at least one row unit responsive to the residue accumulation.
- Embodiment 14 The method of Embodiment 13, further comprising alerting an operator of the residue accumulation.
- Embodiment 15 The method of Embodiment 13 or Embodiment 14, wherein causing the actuator to raise or lower the at least one row unit comprises terminating forward motion of the implement while the actuator raises or lowers the at least one row unit.
- Embodiment 16 The method of any one of Embodiment 13 through Embodiment 15, wherein causing the actuator to raise or lower the at least one row unit comprises sending a control signal to a control component associated with the actuator.
- Embodiment 17 The method of any one of Embodiment 13 through Embodiment 16, wherein receiving an indication of residue accumulation between the adjacent one row units from the sensor comprises receiving a photograph from the sensor.
- Embodiment 18 The method of any one of Embodiment 13 through Embodiment 16, further comprising detecting an electromagnetic signal with the sensor to identify the residue accumulation.
Abstract
An agricultural implement includes a frame having an elongate toolbar carrying a plurality of row units. A sensor is configured to detect residue accumulation between adjacent row units. An actuator is configured to raise or lower a row unit based at least in part on the residue accumulation detected by the sensor. Control systems and related methods are also disclosed.
Description
- This application claims the benefit of the filing date of U. K. Patent Application GB2017447.0, “Agricultural Implements Having Sensors to Detect Plugging of Row Units, and Related Control Systems and Methods,” filed Nov. 4, 2020, the entire disclosure of which is incorporated herein by reference.
- Embodiments of the present disclosure relate generally to machines and methods for working agricultural fields. In particular, embodiments relate to planters and other implements having row units and to methods of controlling such implements.
- Crop yields are affected by a variety of factors, such as seed placement, soil quality, weather, irrigation, and nutrient applications. Seeds are typically planted in trenches formed by discs or other mechanisms of a planter row unit. Depth of seed placement is important because seeds planted at different depths emerge at different times, resulting in uneven crop growth. Trench depth can be affected by soil type, moisture level, row unit speed, and operation of the opening discs.
- During planting and other operations, row units (e.g., planters, tillage equipment, etc., arranged along a toolbar to form rows in the field) may become blocked or plugged with residue (crop material from prior seasons). When plugging occurs, the operator may stop the operation to clear the blockage. The blockage may be cleared by manually removing residue, or by raising and lowering the frame, toolbars, or affected row units to allow residue to fall to the ground.
- In some embodiments, an agricultural implement includes a frame having an elongate toolbar carrying a plurality of row units. A sensor is configured to detect residue accumulation between adjacent row units. An actuator is configured to raise or lower row units (either individually, as a group, or by raising or lowering the toolbar or frame) based at least in part on the residue accumulation detected by the sensor.
- Other embodiments include a control system for an implement including a frame having an elongate toolbar carrying a plurality of row units. The control system includes a sensor configured to detect residue accumulation between adjacent rows unit of the plurality, an actuator configured to raise or lower a row unit, and a controller configured to receive a signal from the sensor indicating residue accumulation and cause the actuator to raise or lower the row unit.
- Certain embodiments include a computer-implemented method for operating an implement that includes a frame having an elongate toolbar carrying a plurality of row units. The method includes receiving an indication of residue accumulation between adjacent row units from a sensor, and causing an actuator to raise or lower a row unit responsive to the residue accumulation.
- While the specification concludes with claims particularly pointing out and distinctly claiming what are regarded as embodiments of the present disclosure, various features and advantages of embodiments of the disclosure may be more readily ascertained from the following description of example embodiments when read in conjunction with the accompanying drawings, in which:
-
FIG. 1 is a simplified top view of a tractor pulling an implement in accordance with one embodiment; -
FIG. 2 is a simplified side view of a row unit that may be carried by the implement shown inFIG. 1 ; -
FIG. 3 is a simplified side view of another row unit that may be carried by the implement shown inFIG. 1 ; -
FIG. 4 is a simplified flow chart illustrating a method of operating an implement; -
FIG. 5 illustrates an example computer-readable storage medium comprising processor-executable instructions configured to embody one or more of the methods of operating an implement, such as the method illustrated inFIG. 4 ; and -
FIG. 6 is a simplified top view of a portion of the implement in shown inFIG. 1 . - The illustrations presented herein are not actual views of any implement or portion thereof, but are merely idealized representations that are employed to describe example embodiments of the present disclosure. Additionally, elements common between figures may retain the same numerical designation.
- The following description provides specific details of embodiments of the present disclosure in order to provide a thorough description thereof. However, a person of ordinary skill in the art will understand that the embodiments of the disclosure may be practiced without employing many such specific details. Indeed, the embodiments of the disclosure may be practiced in conjunction with conventional techniques employed in the industry. In addition, the description provided below does not include all elements to form a complete structure or assembly. Only those process acts and structures necessary to understand the embodiments of the disclosure are described in detail below. Additional conventional acts and structures may be used. Also note, the drawings accompanying the application are for illustrative purposes only, and are thus not drawn to scale.
- As used herein, the terms “comprising,” “including,” “containing,” “characterized by,” and grammatical equivalents thereof are inclusive or open-ended terms that do not exclude additional, unrecited elements or method steps, but also include the more restrictive terms “consisting of” and “consisting essentially of” and grammatical equivalents thereof.
- As used herein, the term “may” with respect to a material, structure, feature, or method act indicates that such is contemplated for use in implementation of an embodiment of the disclosure, and such term is used in preference to the more restrictive term “is” so as to avoid any implication that other, compatible materials, structures, features, and methods usable in combination therewith should or must be excluded.
- As used herein, the term “configured” refers to a size, shape, material composition, and arrangement of one or more of at least one structure and at least one apparatus facilitating operation of one or more of the structure and the apparatus in a predetermined way.
- As used herein, the singular forms following “a,” “an,” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise.
- As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items.
- As used herein, spatially relative terms, such as “beneath,” “below,” “lower,” “bottom,” “above,” “upper,” “top,” “front,” “rear,” “left,” “right,” and the like, may be used for ease of description to describe one element's or feature's relationship to another element(s) or feature(s) as illustrated in the figures. Unless otherwise specified, the spatially relative terms are intended to encompass different orientations of the materials in addition to the orientation depicted in the figures.
- As used herein, the term “substantially” in reference to a given parameter, property, or condition means and includes to a degree that one of ordinary skill in the art would understand that the given parameter, property, or condition is met with a degree of variance, such as within acceptable manufacturing tolerances. By way of example, depending on the particular parameter, property, or condition that is substantially met, the parameter, property, or condition may be at least 90.0% met, at least 95.0% met, at least 99.0% met, or even at least 99.9% met.
- As used herein, the term “about” used in reference to a given parameter is inclusive of the stated value and has the meaning dictated by the context (e.g., it includes the degree of error associated with measurement of the given parameter).
-
FIG. 1 illustrates atractor 100 drawing anagricultural implement 102 in a forward direction F. Theimplement 102 has aframe 103 including atoolbar 104 supportingrow units 106. Acomputer 108, which may include a central processing unit (“CPU”) 110,memory 112, implementcontroller 114, and graphical user interface (“GUI”) (e.g., a touch-screen interface), is typically located in the cab of thetractor 100. A global positioning system (“GPS”)receiver 116 may be mounted to thetractor 100 and connected to communicate with thecomputer 108. Theimplement controller 114 may be configured to communicate with therow units 106 and/or theGPS receiver 116, such as by wired or wireless communication. In some embodiments, thecomputer 108 or portions thereof may be part of theimplement 102. Theimplement 102 may be supported in the field by at least onewheel 118 coupled to theframe 103 or thetoolbar 104. Typically, theframe 103 ortoolbar 104 is attached to at least twowheels 118, such as to four wheels as shown inFIG. 1 . Theframe 103 andtoolbar 104 may have sections that fold for transport on a public roadway (e.g., to make theimplement 102 narrower than the working position depicted inFIG. 1 ). Theimplement frame 103 may support acentral hopper 120 or tank to transport seed, fertilizer, or other material to be applied to the field. - The
row units 106 may include any type of ground-engaging device for planting, seeding, fertilizing, tilling, or otherwise working crops or soil in rows. As an example,FIG. 2 is a simplified side view illustrating arow unit 106 having atillage section 201 a and aplanter section 201 b. - The
tillage section 201 a and/or theplanter section 201 b may be pivotally connected to thetoolbar 104 byparallel linkages 204 or other mechanisms to enable thetillage section 201 a and/or theplanter section 201 b to move vertically independent of theframe 103,toolbar 104, andother row units 106. In some embodiments, thetoolbar 104 may be coupled to theframe 103 at a pivot point, and an actuator 234 (e.g., a hydraulic cylinder) may control the position of thetoolbar 104 relative to theframe 103. In other embodiments, thetoolbar 104 position may be controlled by a parallel linkage or other mechanism. Therow unit 106 may include one ormore hoppers 206, aseed meter 208, a seed trench opening assembly 212 (e.g., opening wheels), a trench closing assembly 214 (e.g., closing wheels), gauge wheel(s) 218, a cutting disc orcoulter 220, atillage shank 222, and any other components as known in the art. It should be understood that therow unit 106 shown inFIG. 2 may optionally be a part of a central fill planter, in which case thehoppers 206 may be one or more mini-hoppers fed by the central hopper 120 (FIG. 1 ) carried by the implement 102. - As depicted in
FIG. 2 , thetillage section 201 a may include thecutting blade 220 and thetillage shank 222. Theplanter section 201 b may include the hopper(s) 206, theseed meter 208, the seedtrench opening assembly 212, the gauge wheel(s) 218, and thetrench closing assembly 214. In some embodiments, thetillage section 201 a may be in the form of one or more generally transverse bars (i.e., oriented generally perpendicular to the forward direction F) carrying theopening assembly 212, thetillage shank 222, and/or other tools.FIG. 3 depicts anotherrow unit 106′ in which thetillage section 201 a includes another cutting disc orcoulter 224 rather than atillage shank 222. Thus, therow units - The
row unit 106 may carry at least onesensor 230 configured to detect a plugging condition of therow unit 106. For example, thesensor 230 may be an optical sensor (e.g., a camera), an ultrasonic transducer, an RF (radio frequency) sensor, lidar, radar, etc. Such sensors are described in, for example, U.S. Patent Application Publication 2019/0075710, “Seed Trench Depth Detection Systems,” published Mar. 14, 2019. In some embodiments, thesensor 230 may be coupled with a transmitter, such as a laser transmitter. Thesensor 230 may be configured to detect reflection of anelectromagnetic signal 232, which may be used to calculate a distance thesignal 232 has traveled. This information may be used to infer the presence of residue in therow unit 106 or betweenrow units 106, and the location or amount of residue. For example, if the distance thesignal 232 travels before being reflected is the same as the distance from thesensor 230 to thetillage shank 222, the computer 108 (FIG. 1 ) may determine that the tillage shank 222 (FIG. 2 ) or coulter 224 (FIG. 3 ) is not blocked by residue. However, if the distance thesignal 232 travels before being reflected is less than the distance from thesensor 230 to thetillage shank 222 orcoulter 224 by a preselected threshold, thecomputer 108 may determine that thetillage shank 222 orcoulter 224 is blocked by residue. As another example, a change in the distance thesignal 232 travels greater than a preselected threshold may be used to infer a change in the amount of residue blocking the row unit. In other embodiments, thesensor 230 may be a camera, and thecomputer 108 may detect residue by image-processing techniques, such as by identifying shapes of residue material or by detecting movement in the field of view. -
FIG. 6 illustrates a field ofview 238 of thesensors 230. The field ofview 238 may be wide enough so that eachsensor 230 can detect residue accumulation betweenadjacent row units 106 on or over the surface of the ground. In some embodiments, the field ofview 238 may encompass neighboringrow units 106, and thus, not everyrow unit 106 need have itsown sensor 230. The field ofview 238 is not limited to (and need not even include) the furrow formed by therow unit 106, but by detecting residue accumulation in front of thetillage shank 222, and/or other tools, therow unit 106 can form more consistent furrows, and thus, crop yield may be increased. - Once a blockage has been detected, the
computer 108 and/or the implement controller 114 (FIG. 1 ) may take appropriate action to correct the blockage. For example, thecomputer 108 may alert an operator that there is blockage and/or thecontroller 114 may initiate a control sequence to clear the blockage. In some embodiments, thecontroller 114 may control anactuator 234 to temporarily raise theframe 103,toolbar 104,row unit 106, or a portion thereof (e.g., thetillage section 201 a, theplanter section 201 b, or an individual component, such as the tillage shank 222) to cause the residue to separate from therow unit 106. In some embodiments, thecomputer 108 may control thetractor 100 to stop moving in a forward direction F or to move backward (in a direction opposite the direction F) while the blockage is cleared. Once the blockage is cleared, theactuator 234 may lowerframe 103,toolbar 104, therow unit 106, or portion thereof, and thetractor 100 may start moving forward again. Theactuator 234 may be pneumatic, hydraulic, electric, or any other type. Theactuator 234 may be controlled by a control component 236 (illustrated simply as a hatched box connected to theactuator 234 inFIG. 2 ), such as a control valve, an air valve, an electronic control component, a magnetic control component, etc. Thecontroller 114 may send a signal to thecontrol component 236 to cause changes in the position of theactuator 234. - In some embodiments, the
sensor 230 may be configured to detect plugging of more than onerow unit 106. For example, if thesensor 230 is a camera, it may have a field of view wide enough to detect plugging of therow unit 106 carrying the camera, as well asrow units 106 on either side. As shown inFIG. 2 , thesensor 230 may be carried on therow unit 106 itself. In other embodiments, thesensor 230 may be carried by thetoolbar 104 or another portion of the implement 102 (FIG. 1 ), and may be directed atmultiple row units 106. - In certain embodiments, an
additional sensor 240 may be configured to detect plugging of another part of therow unit 106. For example, theadditional sensor 240 may be a part of theplanter section 201 b, and may be directed to detect residue blocking the gauge wheel(s) 218. Theadditional sensor 240 may be a camera, transceiver, etc., as described above with respect to thesensor 230. Thecontroller 114 may control anotheractuator 244 to raise and lower theplanter section 201 b of therow unit 106, as described relative to theactuator 234. -
FIG. 4 is a simplified flow chart illustrating a computer-implementedmethod 300 of using the implement 102 to work an agricultural field. Inblock 302, an indication is received of a plugging condition of at least one row unit from a sensor. For example, a photograph or an electromagnetic signal may be received from the sensor. In block 604, an actuator raises or lowers the at least one row unit to clear the plugging condition. For example, a control signal may be sent to a control component associated with the actuator. In some embodiments, forward motion of the implement may be terminated while the plugging condition is cleared. Furthermore, an operator may be alerted of the plugging condition and/or the clearing process. - The methods and devices shown and described may be used for any type of planter or tillage implement, including seeders, drills, vertical tillage, etc., including implements having more than one type of tool. The methods may be particularly beneficial for relatively large implements, which are difficult for an operator to monitor visually from the cab of the tractor. Furthermore, plugging conditions may be relatively more common in no-till fields than other fields, so the methods and devices may be particularly beneficial in such fields.
- Still other embodiments involve a computer-readable storage medium (e.g., a non-transitory computer-readable storage medium) having processor-executable instructions configured to implement one or more of the techniques presented herein. An example computer-readable medium that may be devised is illustrated in
FIG. 5 , wherein animplementation 400 includes a computer-readable storage medium 402 (e.g., a flash drive, CD-R, DVD-R, application-specific integrated circuit (ASIC), field-programmable gate array (FPGA), a platter of a hard disk drive, etc.), on which is computer-readable data 404. This computer-readable data 404 in turn includes a set of processor-executable instructions 406 configured to operate according to one or more of the principles set forth herein. In some embodiments, the processor-executable instructions 406 may be configured to cause a computer associated with the tractor 100 (FIG. 1 ) to performoperations 408 when executed via a processing unit, such as at least some of theexample method 300 depicted inFIG. 4 . In other embodiments, the processor-executable instructions 406 may be configured to control a system, such as at least some of theexample tractor 100 and implement 102 depicted inFIGS. 1 and 2 . Many such computer-readable media may be devised by those of ordinary skill in the art that are configured to operate in accordance with one or more of the techniques presented herein. - Additional non limiting example embodiments of the disclosure are described below.
- Embodiment 1: An agricultural implement, comprising a frame having an elongate toolbar carrying a plurality of row units, a sensor configured to detect residue accumulation between adjacent row units of the plurality, and an actuator configured to raise or lower at least one row unit based at least in part on the residue accumulation detected by the sensor.
- Embodiment 2: The implement of Embodiment 1, wherein the sensor comprises a camera.
- Embodiment 3: The implement of Embodiment 1, wherein the sensor is configured to detect a distance to residue.
- Embodiment 4: The implement of Embodiment 3, wherein the sensor is configured to detect a reflected electromagnetic signal.
- Embodiment 5: The implement of Embodiment 4, wherein the sensor is configured to detect a signal selected from the group consisting of laser, radar, and ultrasonic.
- Embodiment 6: The implement of any one of Embodiment 1 through Embodiment 5, further comprising a controller configured to receive information from the sensor and control the actuator based on the information.
- Embodiment 7: The implement of Embodiment 6, further comprising a control component configured to drive the actuator, wherein the controller is configured to send a control signal to the control component.
- Embodiment 8: The implement of Embodiment 7, wherein the control component comprises a component selected from the group consisting of a control valve, an air valve, an electronic control component, a magnetic control component, and an electromagnetic control component.
- Embodiment 9: The implement of any one of Embodiment 1 through Embodiment 8, further comprising another sensor configured to detect additional residue accumulation between adjacent row units of the plurality.
- Embodiment 10: A control system for an implement comprising a frame having an elongate toolbar carrying a plurality of row units. The control system comprises a sensor configured to detect residue accumulation between adjacent row units of the plurality, an actuator configured to raise or lower at least one row unit, and a controller configured to receive a signal from the sensor indicating residue accumulation and cause the actuator to raise or lower the at least one row unit based at least in part on the residue accumulation between the adjacent row units.
- Embodiment 11: The control system of Embodiment 10, wherein the sensor comprises a camera.
- Embodiment 12: The control system of Embodiment 10 or Embodiment 11, further comprising a control component configured to drive the actuator responsive to a control signal from the controller.
- Embodiment 13: A computer-implemented method for operating an implement that comprises a frame having an elongate toolbar carrying a plurality of row units and a sensor configured to detect residue accumulation between adjacent row units. The method comprises receiving an indication of residue accumulation between the adjacent row units from the sensor, and causing an actuator to raise or lower at least one row unit responsive to the residue accumulation.
- Embodiment 14: The method of Embodiment 13, further comprising alerting an operator of the residue accumulation.
- Embodiment 15: The method of Embodiment 13 or Embodiment 14, wherein causing the actuator to raise or lower the at least one row unit comprises terminating forward motion of the implement while the actuator raises or lowers the at least one row unit.
- Embodiment 16: The method of any one of Embodiment 13 through Embodiment 15, wherein causing the actuator to raise or lower the at least one row unit comprises sending a control signal to a control component associated with the actuator.
- Embodiment 17: The method of any one of Embodiment 13 through Embodiment 16, wherein receiving an indication of residue accumulation between the adjacent one row units from the sensor comprises receiving a photograph from the sensor.
- Embodiment 18: The method of any one of Embodiment 13 through Embodiment 16, further comprising detecting an electromagnetic signal with the sensor to identify the residue accumulation.
- All references cited herein are incorporated herein in their entireties. If there is a conflict between definitions herein and in an incorporated reference, the definition herein shall control.
- While the present disclosure has been described herein with respect to certain illustrated embodiments, those of ordinary skill in the art will recognize and appreciate that it is not so limited. Rather, many additions, deletions, and modifications to the illustrated embodiments may be made without departing from the scope as hereinafter claimed, including legal equivalents thereof. In addition, features from one embodiment may be combined with features of another embodiment while still being encompassed within the scope contemplated by the inventors. Further, embodiments of the disclosure have utility with different and various agricultural machine types and configurations.
Claims (18)
1. An agricultural implement, comprising:
a frame having an elongate toolbar carrying a plurality of row units;
a sensor configured to detect residue accumulation between adjacent row units of the plurality; and
an actuator configured to raise or lower at least one row unit based at least in part on the residue accumulation detected by the sensor.
2. The implement of claim 1 , wherein the sensor comprises a camera.
3. The implement of claim 1 , wherein the sensor is configured to detect a distance to residue.
4. The implement of claim 3 , wherein the sensor is configured to detect a reflected electromagnetic signal.
5. The implement of claim 4 , wherein the sensor is configured to detect a signal selected from the group consisting of laser, radar, and ultrasonic.
6. The implement of claim 1 , further comprising a controller configured to receive information from the sensor and control the actuator based on the information.
7. The implement of claim 6 , further comprising a control component configured to drive the actuator, wherein the controller is configured to send a control signal to the control component.
8. The implement of claim 7 , wherein the control component comprises a component selected from the group consisting of a control valve, an air valve, an electronic control component, a magnetic control component, and an electromagnetic control component.
9. The implement of claim 1 , further comprising another sensor configured to detect additional residue accumulation between adjacent row units of the plurality.
10. A control system for an implement comprising a frame having an elongate toolbar carrying a plurality of row units, the control system comprising:
a sensor configured to detect residue accumulation between adjacent row units of the plurality;
an actuator configured to raise or lower at least one row unit; and
a controller configured to receive a signal from the sensor indicating residue accumulation and cause the actuator to raise or lower the at least one row unit based at least in part on the residue accumulation between the adjacent row units.
11. The control system of claim 10 , wherein the sensor comprises a camera.
12. The control system of claim 10 , further comprising a control component configured to drive the actuator responsive to a control signal from the controller.
13. A computer-implemented method for operating an implement that comprises a frame having an elongate toolbar carrying a plurality of row units and a sensor configured to detect residue accumulation between adjacent row units, the method comprising:
receiving an indication of residue accumulation between the adjacent row units from the sensor; and
causing an actuator to raise or lower at least one row unit responsive to the residue accumulation.
14. The method of claim 13 , further comprising alerting an operator of the residue accumulation.
15. The method of claim 13 , wherein causing the actuator to raise or lower the at least one row unit comprises terminating forward motion of the implement while the actuator raises or lowers the at least one row unit.
16. The method of claim 13 , wherein causing the actuator to raise or lower the at least one row unit comprises sending a control signal to a control component associated with the actuator.
17. The method of claim 13 , wherein receiving an indication of residue accumulation between the adjacent row units from the sensor comprises receiving a photograph from the sensor.
18. The method of claim 13 , further comprising detecting an electromagnetic signal with the sensor to identify the residue accumulation.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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GBGB2017447.0A GB202017447D0 (en) | 2020-11-04 | 2020-11-04 | Agricultural implements having sensors to detect plugging of row units, and related control systems and methods |
GB2017447.0 | 2020-11-04 | ||
PCT/IB2021/059487 WO2022096970A1 (en) | 2020-11-04 | 2021-10-15 | Agricultural implements having sensors to detect plugging of row units, and related control systems and methods |
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US20230354735A1 true US20230354735A1 (en) | 2023-11-09 |
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US18/245,754 Pending US20230354735A1 (en) | 2020-11-04 | 2021-10-15 | Agricultural implements having sensors to detect plugging of row units, and related control systems and methods |
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US (1) | US20230354735A1 (en) |
EP (1) | EP4240134A1 (en) |
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DE102021123584A1 (en) * | 2021-09-13 | 2023-03-16 | Claas E-Systems Gmbh | Method for operating a machine combination and machine combination |
US20230419544A1 (en) * | 2022-06-23 | 2023-12-28 | Agco Corporation | Methods of Locating Agricultural Implements |
EP4335270A1 (en) * | 2022-09-08 | 2024-03-13 | Agco Corporation | Methods of operating an implement in an agricultural field |
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US9405039B2 (en) * | 2014-04-22 | 2016-08-02 | Deere & Company | Ground engaging member accumulation determination |
CA3189260A1 (en) | 2016-05-13 | 2017-11-16 | Precision Planting Llc | Seed trench closing sensors |
US10492353B2 (en) * | 2017-06-08 | 2019-12-03 | Cnh Industrial Canada, Ltd. | System and method for reducing soil and crop residue accumulation relative to ground-engaging tools of a tillage implement |
US11058045B2 (en) * | 2018-10-29 | 2021-07-13 | Cnh Industrial America Llc | System and method for detecting accumulations of field materials between ground engaging components of an agricultural implement |
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2020
- 2020-11-04 GB GBGB2017447.0A patent/GB202017447D0/en not_active Ceased
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- 2021-10-15 WO PCT/IB2021/059487 patent/WO2022096970A1/en unknown
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